A shell-and-tube heat exchanger with 1-shell pass and 20-tube passes is used to heat glycerin (Cp = 2480 J/kg.0C) in the shell, with hot water in the tubes. The tubes are thin-walled and have a diameter of 1,5 cm and length of 2 m per pass. The water enters the tubes at 100 0C at a rate of 5 kg/s and leaves at 55 0C. The glycerin enters the shell at 15 0C and leaves at 55 0C. Determine the mass flow rate of the glycerin

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
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A shell-and-tube heat exchanger with 1-shell pass and 20-tube passes is used to heat glycerin (Cp = 2480 J/kg.0C) in the shell, with hot water in the tubes. The tubes are thin-walled and have a diameter of 1,5 cm and length of 2 m per pass. The water enters the tubes at 100 0C at a rate of 5 kg/s and leaves at 55 0C. The glycerin enters the shell at 15 0C and leaves at 55 0C. Determine the mass flow rate of the glycerin and the overall heat transfer coefficient of the heat exchanger. (You can use the figure in the next page.)

1.0
T1
0.9
0.8
T2
R = 4.0 3.0_ 2.0. 1.5.
1.0 0.8 0.6_0.4.
_0.2
0.7
0.6
T-T
R =
0.5
0 0.1
12-1
0.9 1.0 P=,
0.2 0.3 0.4 0.5 0.6 0.7 0.8
(a) One-shell pass and 2, 4, 6, etc. (any multiple of 2), tube passes
Correction factor F
Transcribed Image Text:1.0 T1 0.9 0.8 T2 R = 4.0 3.0_ 2.0. 1.5. 1.0 0.8 0.6_0.4. _0.2 0.7 0.6 T-T R = 0.5 0 0.1 12-1 0.9 1.0 P=, 0.2 0.3 0.4 0.5 0.6 0.7 0.8 (a) One-shell pass and 2, 4, 6, etc. (any multiple of 2), tube passes Correction factor F
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